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GB2143227B - Ceramic dielectric compositions - Google Patents

Ceramic dielectric compositions

Info

Publication number
GB2143227B
GB2143227B GB08318901A GB8318901A GB2143227B GB 2143227 B GB2143227 B GB 2143227B GB 08318901 A GB08318901 A GB 08318901A GB 8318901 A GB8318901 A GB 8318901A GB 2143227 B GB2143227 B GB 2143227B
Authority
GB
United Kingdom
Prior art keywords
ceramic dielectric
dielectric compositions
compositions
ceramic
dielectric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08318901A
Other versions
GB2143227A (en
GB8318901D0 (en
Inventor
John Henry Alexander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08318901A priority Critical patent/GB2143227B/en
Publication of GB8318901D0 publication Critical patent/GB8318901D0/en
Priority to EP84303648A priority patent/EP0134072A1/en
Priority to US06/619,391 priority patent/US4525767A/en
Priority to JP59139731A priority patent/JPS6039703A/en
Publication of GB2143227A publication Critical patent/GB2143227A/en
Application granted granted Critical
Publication of GB2143227B publication Critical patent/GB2143227B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
    • C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • H01G4/08—Inorganic dielectrics
    • H01G4/12—Ceramic dielectrics
    • H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
    • H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
    • H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Insulating Materials (AREA)
  • Ceramic Capacitors (AREA)
GB08318901A 1983-07-13 1983-07-13 Ceramic dielectric compositions Expired GB2143227B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08318901A GB2143227B (en) 1983-07-13 1983-07-13 Ceramic dielectric compositions
EP84303648A EP0134072A1 (en) 1983-07-13 1984-05-31 Ceramic capacitor & dielectric compositions
US06/619,391 US4525767A (en) 1983-07-13 1984-06-11 Ceramic capacitor and dielectric compositions
JP59139731A JPS6039703A (en) 1983-07-13 1984-07-05 Dielectric composition for capacitor and method of producingceramic capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08318901A GB2143227B (en) 1983-07-13 1983-07-13 Ceramic dielectric compositions

Publications (3)

Publication Number Publication Date
GB8318901D0 GB8318901D0 (en) 1983-08-17
GB2143227A GB2143227A (en) 1985-02-06
GB2143227B true GB2143227B (en) 1986-07-30

Family

ID=10545639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08318901A Expired GB2143227B (en) 1983-07-13 1983-07-13 Ceramic dielectric compositions

Country Status (4)

Country Link
US (1) US4525767A (en)
EP (1) EP0134072A1 (en)
JP (1) JPS6039703A (en)
GB (1) GB2143227B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270911D1 (en) * 1981-12-21 1986-06-05 Matsushita Electric Ind Co Ltd High dielectric constant porcelain composition
DE3863778D1 (en) * 1987-01-13 1991-08-29 Du Pont DIELECTRIC COMPOSITION FOR USE IN MULTI-LAYER CERAMIC CAPACITORS.
US4855266A (en) * 1987-01-13 1989-08-08 E. I. Du Pont De Nemours And Company High K dielectric composition for use in multilayer ceramic capacitors having copper internal electrodes
US5620638A (en) * 1990-08-17 1997-04-15 Trans Tech, Inc. Barium oxide-rare earth oxide-titanium dioxide based ceramics exhibiting isotropy
US6727200B2 (en) * 2000-08-31 2004-04-27 Mra Laboratories, Inc. High dielectric constant very low fired X7R ceramic capacitor, and powder for making

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080239A (en) * 1961-04-21 1963-03-05 Mucon Corp Ceramic dielectric compositions and method of making the same
JPS5142746B1 (en) * 1971-04-16 1976-11-17
JPS5347920B2 (en) * 1972-08-04 1978-12-25
GB1466387A (en) * 1973-06-29 1977-03-09 Honeywell Inc Ferro-electric material
JPS5110814A (en) * 1974-07-11 1976-01-28 Tdk Electronics Co Ltd
DE2941304A1 (en) * 1978-10-13 1980-04-30 Suwa Seikosha Kk DIELECTRICAL, METHOD FOR THE PRODUCTION THEREOF, AND THEIR USE IN CAPACITORS FOR TEMPERATURE COMPENSATION PURPOSES
US4377548A (en) * 1981-11-27 1983-03-22 Sprague Electric Company Method for encapsulating a radial leaded electrical component

Also Published As

Publication number Publication date
EP0134072A1 (en) 1985-03-13
US4525767A (en) 1985-06-25
GB2143227A (en) 1985-02-06
GB8318901D0 (en) 1983-08-17
JPS6039703A (en) 1985-03-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee